Psychology 3225A/B Chapter Notes - Chapter 4: Testicle, Grey Matter, Wild Type

• School: Western University
• Department: Psychology
• Course: Psychology 3225A/B
• Professor: Klaus- Peter Ossenkopp

Document Summary

High levels of androgens prenatally cause mascunalizatoin on activity, occupational interests, sexual orientation and some spatial abilities: also effect gender identity on a smaller scale. Pubertal hormones influence gender identity and some sex-linked psychopathology. Early exposure to androgens in female guinea pigs mascunalized behaviour: hormones affect sexual differentiation of anatomy, function, and behaviour. Organizational and activation effects differ in timing and permanence: organizational occur early on in life and produce permanent changes in brains structure. Activational act late on in life to produce temporary alterations in brain and behaviour o. Background: sensitive periods during prenatal and pubertal development. Learning, memory, aggression and play are all influences by early hormonal actions. Rodent behaviour is modified in a permanent way by hormones present during adolescence o o o: the later period of brain development builds on and refines neural circuits that were initially established during early development.